Using kite-mounted cameras and field microscopes, an architecture professor and a retired microbiologist have uncovered surprising diversity in an unassuming ditch next to a railroad grade that cuts across the South Bay salt ponds near Alviso. From vivid oranges laced with bird tracks to bright greens bubbling with oxygen exhaled by cyanobacteria, there's complexity and wonder waiting at the Weep, from several hundred feet in the air down to the microscopic level.